Main Street will be closed between 1st and 2nd Streets from 7 AM to 10AM, Thursday, August 17, for private construction work/staging. Motorists should use an alternate route during this time. If you have any questions regarding this closure/detour, please contact the City of Dubuque Engineering Department at 563-589-4270. Please note: closure dates/times are estimates and are subject to change without notification based on weather and contractor schedules.